Actress Naomi Watts wears a dress by Marchesa as she arrives for the screening of Madagascar 3: Europe's Most Wanted, at the 65th international film festival, in Cannes, southern France. (AP Photo/Loic Venance, file)

Gallery: Brad Pitt joins stars at Cannes

May. 22, 2012 @ 03:35 PM

The Cannes Film Festival got its biggest shot of celebrity adrenaline yet on Tuesday when Brad Pitt arrived to promote his new film "Killing Them Softly." The festival began last week in France and runs until May 27.